2020 Ronstan Sailboat Hardware Catalogue - Page 132



TRAVELLER SYSTEMS
Track Data
130
Beam tracks are typically used to span cockpits,
companionways and unsupported deck sections,
where fastening options are restricted or to avoid
the need for building additional support structure
into the boat.
Sectional and mechanical data, including moments
of inertia (Ix & Iy) and cross sectional area (CSA)
are shown below for the various beam sections.
Designer or builder should be consulted to determine
the appropriate section for a specific application.
Beam tracks for ball bearing cars are
supplied without holes. On request they can
be drilled with custom hole arrangements
to suit individual requirements. Contact our
sales team for further information.
TYPICAL MATERIAL PROPERTIES
All tracks, unless otherwise stated
RC1225-3.0
RC6190, RC6320
Aluminium alloy AL6005-T6
Aluminium alloy AL6063-T6
Aluminium alloy AL6061-T6
σ yield = 225 MPa (32.6 ksi)
σ yield = 270 MPa (39.2 ksi)
RC6190
Ix = 14294mm (0.0343in)
Iy = 4219mm (0.0101in)
y = 12.56mm (0.4945”)
CSA = 196mm² (0.3038in²)
RC1225-3.0
Ix
Iy
y
CSA
=
=
=
=
664730mm (1.5970in)
184248mm (0.4427in)
42.3mm (1.6654”)
768mm² (1.1904in²)
σ yield = 170 MPa (24.7 ksi)
σ yield = 215 MPa (31.2 ksi)
RC6320
Ix = 59000mm (0.1417in)
Iy = 30360mm (0.0729in)
y = 16.96mm (0.6677")
CSA = 471mm² (0.7301in²)
RC1305B-3.0
Ix = 338641mm (0.8136in)
Iy = 202808mm (0.4872in)
y = 26.9mm (1.0591”)
CSA = 1051mm² (1.6291in²)
σ yield = 240 MPa (34.1 ksi)
σ yield = 290 MPa (42.1 ksi)
RC1225B-2.0
Ix = 133881mm (0.3217in)
Iy = 98716mm (0.2372in)
y = 20.2mm (0.7957”)
CSA = 836 mm² (1.2969in²)
RC1425-3.0
Ix = 797749mm (1.9166in)
Iy = 558530mm (1.3419in)
y = 34.7mm (1.3611”)
CSA = 1687mm² (2.6149in²)

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